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IMG 100 > Chapter 7 > Flashcards

Chapter 7 Flashcards

1
Q

KVP

A

Kilovolt Peak, monitors that we set to control how far the range is.

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2
Q

Scatter Radiation

A

Scatter of radiation after contact with a mass.

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3
Q

Contrast

A

Difference between 2 adjacent densities

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4
Q

Spatial Resolution

A

The detail or clearness of the image.

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5
Q

Computed Radiography

A

Cassette-based digital radiography, put on plates to produce image. “Old School”

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6
Q

Brightness

A

Function of a display monitor, changes image lightness/darkness.

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7
Q

Photon

A

Quantum/ particle of radiant energy.

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8
Q

Remnant Radiation

A

Area between patient and IR.

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9
Q

CR

A

Central Ray

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10
Q

SID

A

Source-Image-Distance. Area between X-ray and patient.

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11
Q

mAs

A

Milliampere-seconds. Measurement used to control exposure time in seconds.

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12
Q

Radiopaque

A

Not easily penetrable by X-ray

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13
Q

Inverse Square Law

A

Math formula that describes the relationship between radiation intensity and source to image distance.

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14
Q

Penetration

A

Ability of passage through an object controlled by kVp

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15
Q

Primary Radiation

A

Process of the tube to the patient.

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16
Q

DR

A

Digital Radiography, cassette-less image receptor, automatic from IR to screen.

17
Q

Exposure Indicator

A

Electrical number to see quantity of radiation used

18
Q

Attenuation

A

“Absorption” proves by which beam of radiation is reduced in energy as it passes through the tissue or other materials.

19
Q

Grid

A

Board placed between patient and IR to absorb scatter radiation.

20
Q

Distortion

A

Midsized or misshaped object

21
Q

IR

A

Image Receptor. Board used to capture the image for recording.

22
Q

Density

A

Darkness on the screen

23
Q

Detector Saturation

A

Data drop the involves areas or regions of the digital detector.

24
Q

Radiolucent

A

Easily penetrable by X-rays. Little to no absorption.

IMG 100 (3 decks)

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